390281320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 1081019520

約数和(自身を除く): 690738200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 71, 88, 104, 110, 124, 130, 142, 143, 155, 220, 248, 260, 284, 286, 310, 341, 355, 403, 440, 520, 568, 572, 620, 682, 710, 715, 781, 806, 923, 961, 1144, 1240, 1364, 1420, 1430, 1562, 1612, 1705, 1846, 1922, 2015, 2201, 2728, 2840, 2860, 3124, 3224, 3410, 3692, 3844, 3905, 4030, 4402, 4433, 4615, 4805, 5720, 6248, 6820, 7384, 7688, 7810, 8060, 8804, 8866, 9230, 9610, 10153, 10571, 11005, 12493, 13640, 15620, 16120, 17608, 17732, 18460, 19220, 20306, 21142, 22010, 22165, 24211, 24986, 28613, 31240, 35464, 36920, 38440, 40612, 42284, 44020, 44330, 48422, 49972, 50765, 52855, 57226, 62465, 68231, 81224, 84568, 88040, 88660, 96844, 99944, 101530, 105710, 114452, 121055, 124930, 136462, 137423, 143065, 177320, 193688, 203060, 211420, 228904, 242110, 249860, 272924, 274846, 286130, 314743, 341155, 406120, 422840, 484220, 499720, 545848, 549692, 572260, 629486, 682310, 687115, 750541, 887003, 968440, 1099384, 1144520, 1258972, 1364620, 1374230, 1501082, 1573715, 1774006, 2517944, 2729240, 2748460, 3002164, 3147430, 3548012, 3752705, 4435015, 5496920, 6004328, 6294860, 7096024, 7505410, 8870030, 9757033, 12589720, 15010820, 17740060, 19514066, 30021640, 35480120, 39028132, 48785165, 78056264, 97570330, 195140660, 390281320]

約数ペア:

[(1, 390281320), (2, 195140660), (4, 97570330), (5, 78056264), (8, 48785165), (10, 39028132), (11, 35480120), (13, 30021640), (20, 19514066), (22, 17740060), (26, 15010820), (31, 12589720), (40, 9757033), (44, 8870030), (52, 7505410), (55, 7096024), (62, 6294860), (65, 6004328), (71, 5496920), (88, 4435015), (104, 3752705), (110, 3548012), (124, 3147430), (130, 3002164), (142, 2748460), (143, 2729240), (155, 2517944), (220, 1774006), (248, 1573715), (260, 1501082), (284, 1374230), (286, 1364620), (310, 1258972), (341, 1144520), (355, 1099384), (403, 968440), (440, 887003), (520, 750541), (568, 687115), (572, 682310), (620, 629486), (682, 572260), (710, 549692), (715, 545848), (781, 499720), (806, 484220), (923, 422840), (961, 406120), (1144, 341155), (1240, 314743), (1364, 286130), (1420, 274846), (1430, 272924), (1562, 249860), (1612, 242110), (1705, 228904), (1846, 211420), (1922, 203060), (2015, 193688), (2201, 177320), (2728, 143065), (2840, 137423), (2860, 136462), (3124, 124930), (3224, 121055), (3410, 114452), (3692, 105710), (3844, 101530), (3905, 99944), (4030, 96844), (4402, 88660), (4433, 88040), (4615, 84568), (4805, 81224), (5720, 68231), (6248, 62465), (6820, 57226), (7384, 52855), (7688, 50765), (7810, 49972), (8060, 48422), (8804, 44330), (8866, 44020), (9230, 42284), (9610, 40612), (10153, 38440), (10571, 36920), (11005, 35464), (12493, 31240), (13640, 28613), (15620, 24986), (16120, 24211), (17608, 22165), (17732, 22010), (18460, 21142), (19220, 20306)]